Home / 21,418,437.52-32,127,667.80-13,445,860.24

Finding the Fourth Proportional to 21,418,437.52, 32,127,667.80 and 13,445,860.24

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Solution

The fourth proportional to 21,418,437.52, 32,127,667.80 and 13,445,860.24 is: 20,168,797.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,418,437.52 : 32,127,667.80 = 13,445,860.24 : x
  2. Step 2: Convert to fraction form
    21,418,437.52/32,127,667.80 = 13,445,860.24/x
  3. Step 3: Cross multiply
    21,418,437.52x = 32,127,667.80 × 13,445,860.24
  4. Step 4: Simplify right side
    21,418,437.52x = 431,984,131,075,948.31
  5. Step 5: Solve for x
    x = 431,984,131,075,948.31/21,418,437.52
  6. Step 6: Final answer
    x = 20,168,797.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.